<template>
  <div>
    <el-card class="box-card">
      <div slot="header" class="clearfix">
        <span>文章列表</span>
      </div>
      <!-- 搜索区域 -->
      <div class="search-box">
        <el-form :inline="true" :model="q">
          <el-form-item label="文章分类">
            <el-select v-model="q.cate_id" placeholder="请选择分类" size="small">
              <el-option :label="item.cate_name" :value="item.id" v-for="item in CateList" :key="item.id"></el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="发布状态" style="margin-left: 15px;">
            <el-select v-model="q.state" placeholder="请选择状态" size="small">
              <el-option label="已发布" value="已发布"></el-option>
              <el-option label="草稿" value="草稿"></el-option>
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" size="small" @click="getList">筛选</el-button>
            <el-button type="info" size="small" @click="resetForm">重置</el-button>
          </el-form-item>
        </el-form>
        <!-- 发表文章的按钮 -->
        <el-button type="primary" size="small" class="btn-pub" @click="dialogVisible=true">发表文章</el-button>
      </div>

      <!-- 文章表格区域 -->

          <el-table
            :data="artList"
            style="width: 100%">
            <el-table-column
              label="文章标题">
              <template v-slot='{row}'>
                <el-link type="primary" @click="showDetail(row.id)">{{row.title}}</el-link>
              </template>
            </el-table-column>
            <el-table-column
              prop="cate_name"
              label="文章分类">
            </el-table-column>
               <el-table-column label="发表时间" >
                <template v-slot='{row}' >
                  {{getTime(row.pub_date)}}
                </template>
              </el-table-column>
            <el-table-column
              prop="state"
              label="状态">
            </el-table-column>
            <el-table-column
              label="操作">
              <template v-slot='{row}'>
                <el-button size="danger" type="mini" @click="removeDetail(row.id)">删除</el-button>
              </template>
            </el-table-column>
          </el-table>
          <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="q.pagenum"
            :page-sizes="[2, 3, 5, 20]"
            :page-size="q.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
          </el-pagination>
      <!-- 分页区域 -->
    </el-card>
    <el-dialog
  title="提示"
  :visible.sync="dialogVisible"
  fullscreen
  :before-close="handleClose">
  <el-form :model="pubForm" status-icon :rules="rules" ref="pubForm" label-width="70px" class="demo-ruleForm">
  <el-form-item label="文章标题" prop="title">
    <el-input type="text" v-model="pubForm.title" ></el-input>
  </el-form-item>
   <el-form-item label="文章分类" prop="cate_id">
    <el-select v-model="pubForm.cate_id" placeholder="请选择分类" style="width: 100%;">
      <el-option :label="item.cate_name" v-for="item in CateList" :value="item.id" :key="item.id"></el-option>
    </el-select>
  </el-form-item>
  <el-form-item prop="content">
    <quill-editor v-model="pubForm.content"
                ref="myQuillEditor"
                @blur="$refs.pubForm.validateField('content')">
  </quill-editor>
  </el-form-item>
  <el-form-item label="文章封面" prop="cover_img">
  <!-- 用来显示封面的图片 -->
  <img :src="localIMG" alt="" class="cover-img" ref="imgRef"  v-if="localIMG"/>
  <img v-else src="../../../assets/images/cover.jpg" alt="" class="cover-img" ref="imgRef" />
  <br />
  <!-- 文件选择框，默认被隐藏 -->
  <input type="file" style="display: none;" accept="image/*" ref="iptFile" @change="changeIMG"/>
  <!-- 选择封面的按钮 -->
  <el-button type="text" @click="$refs.iptFile.click()">+ 选择封面</el-button>
</el-form-item>
    <el-form-item prop="state">
      <el-button type="primary" @click="hPub('已发布')">上传</el-button>
      <el-button type="info" @click="hPub('草稿')">存为草稿</el-button>
    </el-form-item>
  </el-form>
</el-dialog>
    <el-dialog
      title="文章预览"
      :visible.sync="detailVisible"
      width="80%">
      <h1 class="title">{{ artDetail.title }}</h1>

        <div class="info">
          <span>作者：{{ artDetail.nickname || artDetail.username }}</span>
          <span>发布时间：{{ getTime(artDetail.pub_date) }}</span>
          <span>所属分类：{{ artDetail.cate_name }}</span>
          <span>状态：{{ artDetail.state }}</span>
        </div>

        <!-- 分割线 -->
        <el-divider></el-divider>

        <img :src="'http://www.liulongbin.top:3008' + artDetail.cover_img" alt="" />

        <div v-html="artDetail.content"></div>
    </el-dialog>
  </div>
</template>

<script>
import dayjs from 'dayjs'
export default {
  name: 'ArtList',
  data () {
    return {
      // currentPage4: 4,
      detailVisible: false,
      artDetail: [],
      // 查询参数对象
      q: {
        pagenum: 1,
        pagesize: 2,
        cate_id: '',
        state: ''
      },
      // val: {},
      artList: [],
      total: 0,
      dialogVisible: false,
      pubForm: {
        title: '',
        content: '',
        cover_img: '',
        state: ''
      },
      localIMG: '',
      rules: {
        title: [
          { required: true, message: '请输入文章标题', trigger: 'blur' },
          { min: 1, max: 30, message: '文章标题的长度为1-30个字符', trigger: 'blur' }
        ],
        cate_id: [{ required: true, message: '请选择文章标题', trigger: 'change' }],
        content: [{ required: true, message: '请输入内容', trigger: 'blur' }],
        cover_img: [{ required: true, message: '请选择封面', trigger: 'blur' }]
      },
      CateList: []
    }
  },
  methods: {
    handleSizeChange (val) {
      // console.log(`每页 ${val} 条`)
      this.q.pagesize = val
      this.q.pagenum = 1
      this.getList()
    },
    handleCurrentChange (val) {
      // console.log(`当前页: ${val}`)
      this.q.pagenum = val
      this.getList()
    },
    handleClose (done) {
      this.$confirm('确认关闭？', '提示', { type: 'warning' })
        .then(_ => {
          done()
        })
        .catch(_ => {})
    },
    async getCateList (
    ) {
      const { data: res } = await this.$axios.get('/my/cate/list')
      this.CateList = res.data
    },
    changeIMG (e) {
      // console.log(e)
      const file = e.target.files[0]
      if (file) {
        this.pubForm.cover_img = file
        this.localIMG = URL.createObjectURL(file)
      } else {
        this.pubForm.cover_img = ''
        this.localIMG = ''
      }
      this.$refs.pubForm.validateField('cover_img')
    },
    hPub (val) {
      this.$refs.pubForm.validate(async valid => {
        if (!valid) return
        this.pubForm.state = val
        const fn = new FormData()
        Object.keys(this.pubForm).forEach(k => fn.append(k, this.pubForm[k]))
        const { data: res } = await this.$axios.post('/my/article/add', fn)
        if (res.code !== 0) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.dialogVisible = false
        this.$refs.pubForm.resetFields()
        this.$refs.iptFile.value = ''
        this.getList()
      })
    },
    getTime (date) {
      return dayjs(date).format('YYYY-MM-DD HH:mm:ss')
    },
    async getList () {
      const { data: res } = await this.$axios.get('/my/article/list', { params: this.q })
      if (res.code !== 0) return this.$message.error(res.message)
      // this.$message.success(res.message)
      // console.log(res)
      this.artList = res.data
      this.total = res.total
    },
    resetForm () {
      this.q.state = ''
      this.q.cate_id = ''
      this.getList()
    },
    async showDetail (id) {
      const { data: res } = await this.$axios.get('/my/article/info', { params: { id } })
      if (res.code !== 0) return
      this.artDetail = res.data
      console.log(this.artDetail)
      this.detailVisible = true
    },
    removeDetail (id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        const { data: res } = await this.$axios.delete('/my/article/info', { params: { id } })
        if (res.code !== 0) return this.$message.error(res.message)
        this.$message.success(res.message)
        if (this.artList.length === 1 && this.q.pagenum > 1) {
          this.q.pagenum--
        }
        this.getList()
      }).catch(() => {

      })
    }
  },
  created () {
    this.getCateList()
    this.getList()
    // console.log(this.val)
  }
}
</script>

<style lang="less" scoped>
.search-box {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  .btn-pub {
    margin-top: 5px;
  }
}
/deep/ .ql-editor{
  height: 300px !important;
}
.cover-img {
  width: 400px;
  height: 280px;
  object-fit: cover;
}
.title {
  font-size: 24px;
  text-align: center;
  font-weight: normal;
  color: #000;
  margin: 0 0 10px 0;
}

.info {
  font-size: 12px;
  span {
    margin-right: 20px;
  }
}
</style>
